Z41-300 A 300 PSI OS&Y Gate valve Flanged End
The Z41-300A (or Z41-300) is an Outside Screw and Yoke (OS&Y) resilient wedge gate valve with flanged connection ends. Manufactured by Ningjin APC Industries for heavy-duty fire protection networks, its external stem design provides a reliable, instant visual reference of the valve’s open or closed status.
Description
⚙️ Core Technical Specifications
| Parameter | Specification Details |
|---|---|
| Model Designation | Z41-300A / Z41-300 |
| Size Range | Available from 2″ to 12″ (DN50 to DN300) |
| Working Pressure | Rated up to 300 PSI (21 bar) maximum working pressure |
| Testing Pressure | Hydrostatic Shell Test: 600 PSI (41.4 bar) |
| Working Temperature | -10°C to 120°C (14°F to 248°F) (Maximum continuous: 80°C/176°F) |
| Face-to-Face Standard | Complies with ASME B16.10 |
| Flange End Connections | Flat-faced/raised flanges matching ASME/ANSI B16.1 Class 125, B16.42 Class 150, BS EN1092-2 PN16, or GB/T9113.1 |
🧱 Material Composition
-
- Valve Body, Bonnet & Yoke: Heavy-duty Ductile Iron (ASTM A536 Grade 65-45-12)
- Resilient Wedge: Ductile Iron core fully encapsulated in high-grade, sulfur-cured EPDM rubber for zero-leakage, bubble-tight sealing.
- Stem: High-tensile, corrosion-resistant Stainless Steel
- Handwheel: Durable Cast Iron or Ductile Iron
- Protective Coating: Electrostatically applied Fusion-Bonded Epoxy (FBE) coating on both internal and external surfaces in compliance with ANSI/AWWA C550.
📜 Design Standards & Approvals
- Design Specifications: Engineered strictly to ANSI/AWWA C515 standards for thin-walled resilient-seated gate valves.
- Safety Certifications: UL Listed, CUL Listed, and FM Approved (conforming to UL 262 and FM 1120/1130).
- Drinking Water Safety: Available with certified lead-free NSF/ANSI 61 and NSF/ANSI 372 options.
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